Merge branch 'upstream' into concedo_experimental

# Conflicts:
#	README.md
#	examples/llama-bench/llama-bench.cpp
#	examples/llama.android/llama/src/main/cpp/llama-android.cpp
#	examples/llama.android/llama/src/main/java/android/llama/cpp/LLamaAndroid.kt
#	src/llama-vocab.cpp
#	tests/test-backend-ops.cpp

src/llama-model.cpp

@@ -3816,7 +3816,6 @@ struct llama_model_params llama_model_default_params() {
         /*.split_mode                  =*/ LLAMA_SPLIT_MODE_LAYER,
         /*.main_gpu                    =*/ 0,
         /*.tensor_split                =*/ nullptr,
-        /*.rpc_servers                 =*/ nullptr,
         /*.progress_callback           =*/ nullptr,
         /*.progress_callback_user_data =*/ nullptr,
         /*.kv_overrides                =*/ nullptr,